<template>
	<div class="app-container">
		<doc-alert title="功能权限" url="https://doc.iocoder.cn/resource-permission" />
		<doc-alert title="数据权限" url="https://doc.iocoder.cn/data-permission" />
		<el-form :model="queryParams" ref="queryForm" v-show="showSearch" :inline="true">
			<el-form-item label="角色名称" prop="name">
				<el-input v-model="queryParams.name" placeholder="请输入角色名称" clearable size="small" style="width: 240px"
					@keyup.enter.native="handleQuery" />
			</el-form-item>
			<el-form-item label="角色标识" prop="code">
				<el-input v-model="queryParams.code" placeholder="请输入角色标识" clearable size="small" style="width: 240px"
					@keyup.enter.native="handleQuery" />
			</el-form-item>
			<el-form-item label="状态" prop="status">
				<el-select v-model="queryParams.status" placeholder="角色状态" clearable size="small" style="width: 240px">
					<el-option v-for="dict in statusDictDatas" :key="parseInt(dict.value)" :label="dict.label"
						:value="parseInt(dict.value)" />
				</el-select>
			</el-form-item>
			<el-form-item label="创建时间" prop="createTime">
				<el-date-picker v-model="queryParams.createTime" style="width: 240px" value-format="yyyy-MM-dd HH:mm:ss"
					type="daterange" range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期"
					:default-time="['00:00:00', '23:59:59']" />
			</el-form-item>
			<el-form-item>
				<el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
				<el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
			</el-form-item>
		</el-form>

		<el-row :gutter="10" class="mb8">
			<el-col :span="1.5">
				<el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
					v-hasPermi="['system:role:create']">新增</el-button>
			</el-col>
			<el-col :span="1.5">
				<el-button type="warning" icon="el-icon-download" size="mini" @click="handleExport" :loading="exportLoading"
					v-hasPermi="['system:role:export']">导出</el-button>
			</el-col>
			<right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
		</el-row>

		<el-table v-loading="loading" :data="roleList">
			<el-table-column label="角色编号" prop="id" width="120" />
			<el-table-column label="角色名称" prop="name" :show-overflow-tooltip="true" width="150" />
			<el-table-column label="角色标识" prop="code" :show-overflow-tooltip="true" width="150" />
			<el-table-column label="角色类型" prop="type" width="80">
				<template v-slot="scope">
					<dict-tag :type="DICT_TYPE.SYSTEM_ROLE_TYPE" :value="scope.row.type" />
				</template>
			</el-table-column>
			<el-table-column label="显示顺序" prop="sort" width="100" />
			<el-table-column label="状态" align="center" width="100">
				<template v-slot="scope">
					<el-switch v-model="scope.row.status" :active-value="0" :inactive-value="1"
						@change="handleStatusChange(scope.row)" />
				</template>
			</el-table-column>
			<el-table-column label="创建时间" align="center" prop="createTime" width="180">
				<template v-slot="scope">
					<span>{{ parseTime(scope.row.createTime) }}</span>
				</template>
			</el-table-column>
			<el-table-column label="操作" align="center" class-name="small-padding fixed-width">
				<template v-slot="scope">
					<el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
						v-hasPermi="['system:role:update']">修改</el-button>
					<el-button size="mini" type="text" icon="el-icon-circle-check" @click="handleMenu(scope.row)"
						v-hasPermi="['system:permission:assign-role-menu']">菜单权限</el-button>
					<el-button size="mini" type="text" icon="el-icon-circle-check" @click="handleDataScope(scope.row)"
						v-hasPermi="['system:permission:assign-role-data-scope']">数据权限</el-button>
					<el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
						v-hasPermi="['system:role:delete']">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNo" :limit.sync="queryParams.pageSize"
			@pagination="getList" />

		<!-- 添加或修改角色配置对话框 -->
		<el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
			<el-form ref="form" :model="form" :rules="rules" label-width="80px">
				<el-form-item label="角色名称" prop="name">
					<el-input v-model="form.name" placeholder="请输入角色名称" />
				</el-form-item>
				<el-form-item label="角色标识" prop="code">
					<el-input v-model="form.code" placeholder="请输入角色标识" />
				</el-form-item>
				<el-form-item label="角色状态" prop="status">
					<!-- <el-input v-model="form.status" placeholder="请输入角色状态" /> -->
					<el-switch v-model="form.status" :active-value="0" :inactive-value="1" />
				</el-form-item>
				<el-form-item label="角色顺序" prop="sort">
					<el-input-number v-model="form.sort" controls-position="right" :min="0" />
				</el-form-item>
				<el-form-item label="备注">
					<el-input v-model="form.remark" type="textarea" placeholder="请输入内容"></el-input>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button type="primary" @click="submitForm">确 定</el-button>
				<el-button @click="cancel">取 消</el-button>
			</div>
		</el-dialog>

		<!-- 分配角色的数据权限对话框 -->
		<el-dialog title="分配数据权限" :visible.sync="openDataScope" width="500px" append-to-body>
			<el-form :model="form" label-width="80px">
				<el-form-item label="角色名称">
					<el-input v-model="form.name" :disabled="true" />
				</el-form-item>
				<el-form-item label="角色标识">
					<el-input v-model="form.code" :disabled="true" />
				</el-form-item>
				<el-form-item label="权限范围">
					<el-select v-model="form.dataScope">
						<el-option v-for="item in dataScopeDictDatas" :key="parseInt(item.value)" :label="item.label"
							:value="parseInt(item.value)"></el-option>
					</el-select>
				</el-form-item>
				<el-form-item label="数据权限" v-show="form.dataScope === SysDataScopeEnum.DEPT_CUSTOM">
					<el-checkbox :checked="!form.deptCheckStrictly"
						@change="handleCheckedTreeConnect($event, 'dept')">父子联动(选中父节点，自动选择子节点)</el-checkbox>
					<el-checkbox v-model="deptExpand" @change="handleCheckedTreeExpand($event, 'dept')">展开/折叠</el-checkbox>
					<el-checkbox v-model="deptNodeAll" @change="handleCheckedTreeNodeAll($event, 'dept')">全选/全不选</el-checkbox>
					<el-tree class="tree-border" :data="deptOptions" show-checkbox default-expand-all ref="dept" node-key="id"
						:check-strictly="form.deptCheckStrictly" empty-text="加载中，请稍后" :props="defaultProps"></el-tree>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button type="primary" @click="submitDataScope">确 定</el-button>
				<el-button @click="cancelDataScope">取 消</el-button>
			</div>
		</el-dialog>

		<!-- 分配角色的菜单权限对话框 -->
		<el-dialog :title="title" :visible.sync="openMenu" width="500px" append-to-body>
			<el-form :model="form" label-width="80px">
				<el-form-item label="角色名称">
					<el-input v-model="form.name" :disabled="true" />
				</el-form-item>
				<el-form-item label="角色标识">
					<el-input v-model="form.code" :disabled="true" />
				</el-form-item>
				<el-form-item label="菜单权限">
					<el-checkbox v-model="menuExpand" @change="handleCheckedTreeExpand($event, 'menu')">展开/折叠</el-checkbox>
					<el-checkbox v-model="menuNodeAll" @change="handleCheckedTreeNodeAll($event, 'menu')">全选/全不选</el-checkbox>
					<el-tree class="tree-border" :data="menuOptions" show-checkbox ref="menu" node-key="id"
						:check-strictly="form.menuCheckStrictly" empty-text="加载中，请稍后" :props="defaultProps"></el-tree>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button type="primary" @click="submitMenu">确 定</el-button>
				<el-button @click="cancelMenu">取 消</el-button>
			</div>
		</el-dialog>
	</div>
</template>

<script>
	import {
		addRole,
		changeRoleStatus,
		delRole,
		exportRole,
		getRole,
		listRole,
		updateRole
	} from "@/api/system/role";
	import {
		listSimpleMenus
	} from "@/api/system/menu";
	import {
		assignRoleMenu,
		listRoleMenus,
		assignRoleDataScope
	} from "@/api/system/permission";
	import {
		listSimpleDepts
	} from "@/api/system/dept";
	import {
		CommonStatusEnum,
		SystemDataScopeEnum
	} from "@/utils/constants";
	import {
		DICT_TYPE,
		getDictDatas
	} from "@/utils/dict";

	export default {
		name: "SystemRole",
		data() {
			return {
				// 遮罩层
				loading: true,
				// 导出遮罩层
				exportLoading: false,
				// 显示搜索条件
				showSearch: true,
				// 总条数
				total: 0,
				// 角色表格数据
				roleList: [],
				// 弹出层标题
				title: "",
				// 是否显示弹出层
				open: false,
				// 是否显示弹出层（数据权限）
				openDataScope: false,
				// 是否显示弹出层（菜单权限）
				openMenu: false,
				menuExpand: false,
				menuNodeAll: false,
				deptExpand: true,
				deptNodeAll: false,
				// 菜单列表
				menuOptions: [],
				// 部门列表
				deptOptions: [], // 部门属性结构
				depts: [], // 部门列表
				// 查询参数
				queryParams: {
					pageNo: 1,
					pageSize: 10,
					name: undefined,
					code: undefined,
					status: undefined,
					createTime: []
				},
				// 表单参数
				form: {},
				defaultProps: {
					label: "name",
					children: "children"
				},
				// 表单校验
				rules: {
					name: [{
						required: true,
						message: "角色名称不能为空",
						trigger: "blur"
					}],
					code: [{
						required: true,
						message: "角色标识不能为空",
						trigger: "blur"
					}],
					sort: [{
						required: true,
						message: "角色顺序不能为空",
						trigger: "blur"
					}]
				},

				// 枚举
				SysCommonStatusEnum: CommonStatusEnum,
				SysDataScopeEnum: SystemDataScopeEnum,
				// 数据字典
				roleTypeDictDatas: getDictDatas(DICT_TYPE.SYSTEM_ROLE_TYPE),
				statusDictDatas: getDictDatas(DICT_TYPE.COMMON_STATUS),
				dataScopeDictDatas: getDictDatas(DICT_TYPE.SYSTEM_DATA_SCOPE)
			};
		},
		created() {
			this.getList();
		},
		methods: {
			/** 查询角色列表 */
			getList() {
				this.loading = true;
				listRole(this.queryParams).then(
					response => {
						this.roleList = response.data.list;
						this.total = response.data.total;
						this.loading = false;
					}
				);
			},
			// 角色状态修改
			handleStatusChange(row) {
				// 此时，row 已经变成目标状态了，所以可以直接提交请求和提示
				let text = row.status === CommonStatusEnum.ENABLE ? "启用" : "停用";
				this.$modal.confirm('确认要"' + text + '""' + row.name + '"角色吗?').then(function() {
					return changeRoleStatus(row.id, row.status);
				}).then(() => {
					this.$modal.msgSuccess(text + "成功");
				}).catch(function() {
					// 异常时，需要将 row.status 状态重置回之前的
					row.status = row.status === CommonStatusEnum.ENABLE ? CommonStatusEnum.DISABLE :
						CommonStatusEnum.ENABLE;
				});
			},
			// 取消按钮
			cancel() {
				this.open = false;
				this.reset();
			},
			// 取消按钮（数据权限）
			cancelDataScope() {
				this.openDataScope = false;
				this.reset();
			},
			// 取消按钮（菜单权限）
			cancelMenu() {
				this.openMenu = false;
				this.reset();
			},
			// 表单重置
			reset() {
				if (this.$refs.menu !== undefined) {
					this.$refs.menu.setCheckedKeys([]);
				}
				this.menuExpand = false;
				this.menuNodeAll = false;
				this.deptExpand = true;
				this.deptNodeAll = false;
				this.form = {
					id: undefined,
					name: undefined,
					code: undefined,
					sort: 0,
					deptIds: [],
					menuIds: [],
					dataScope: undefined,
					deptCheckStrictly: false,
					menuCheckStrictly: true,
					remark: undefined
				};
				this.resetForm("form");
			},
			/** 搜索按钮操作 */
			handleQuery() {
				this.queryParams.pageNo = 1;
				this.getList();
			},
			/** 重置按钮操作 */
			resetQuery() {
				this.resetForm("queryForm");
				this.handleQuery();
			},
			// 树权限（展开/折叠）
			handleCheckedTreeExpand(value, type) {
				if (type === 'menu') {
					let treeList = this.menuOptions;
					for (let i = 0; i < treeList.length; i++) {
						this.$refs.menu.store.nodesMap[treeList[i].id].expanded = value;
					}
				} else if (type === 'dept') {
					let treeList = this.deptOptions;
					for (let i = 0; i < treeList.length; i++) {
						this.$refs.dept.store.nodesMap[treeList[i].id].expanded = value;
					}
				}
			},
			// 树权限（全选/全不选）
			handleCheckedTreeNodeAll(value, type) {
				if (type === 'menu') {
					this.$refs.menu.setCheckedNodes(value ? this.menuOptions : []);
				} else if (type === 'dept') {
					// this.$refs.dept.setCheckedNodes(value ? this.deptOptions: []);
					this.$refs.dept.setCheckedNodes(value ? this.depts : []);
				}
			},
			// 树权限（父子联动）
			handleCheckedTreeConnect(value, type) {
				if (type === 'menu') {
					this.form.menuCheckStrictly = value;
				} else if (type === 'dept') {
					this.form.deptCheckStrictly = !value;
				}
			},
			/** 新增按钮操作 */
			handleAdd() {
				this.reset();
				this.open = true;
				this.title = "添加角色";
			},
			/** 修改按钮操作 */
			handleUpdate(row) {
				this.reset();
				const id = row.id
				getRole(id).then(response => {
					this.form = response.data;
					this.open = true;
					this.title = "修改角色";
				});
			},
			/** 分配菜单权限操作 */
			handleMenu(row) {
				this.reset();
				const id = row.id
				// 处理了 form 的角色 name 和 code 的展示
				this.form.id = id;
				this.form.name = row.name;
				this.form.code = row.code;
				// 打开弹窗
				this.openMenu = true;
				// 获得菜单列表
				listSimpleMenus().then(response => {
					// 处理 menuOptions 参数
					this.menuOptions = [];
					this.menuOptions.push(...this.handleTree(response.data, "id"));
					// 获取角色拥有的菜单权限
					listRoleMenus(id).then(response => {
						// 设置为严格，避免设置父节点自动选中子节点，解决半选中问题
						this.form.menuCheckStrictly = true
						// 设置选中
						this.$refs.menu.setCheckedKeys(response.data);
						// 设置为非严格，继续使用半选中
						this.form.menuCheckStrictly = false
					})
				});

			},
			/** 分配数据权限操作 */
			handleDataScope(row) {
				this.reset();
				// 处理了 form 的角色 name 和 code 的展示
				this.form.id = row.id;
				this.form.name = row.name;
				this.form.code = row.code;
				// 打开弹窗
				this.openDataScope = true;
				// 获得部门列表
				listSimpleDepts().then(response => {
					// 处理 deptOptions 参数
					this.deptOptions = [];
					this.deptOptions.push(...this.handleTree(response.data, "id"));
					this.depts = response.data;
					// this.deptIds = response.data.map(x => x.id);
					// 获得角色拥有的数据权限
					getRole(row.id).then(response => {
						this.form.dataScope = response.data.dataScope;
						this.$refs.dept.setCheckedKeys(response.data.dataScopeDeptIds, false);
					});
				});
			},
			/** 提交按钮 */
			submitForm: function() {
				this.$refs["form"].validate(valid => {
					if (valid) {
						if (this.form.id !== undefined) {
							updateRole(this.form).then(response => {
								this.$modal.msgSuccess("修改成功");
								this.open = false;
								this.getList();
							});
						} else {
							addRole(this.form).then(response => {
								this.$modal.msgSuccess("新增成功");
								this.open = false;
								this.getList();
							});
						}
					}
				});
			},
			/** 提交按钮（数据权限） */
			submitDataScope: function() {
				if (this.form.id !== undefined) {
					assignRoleDataScope({
						roleId: this.form.id,
						dataScope: this.form.dataScope,
						dataScopeDeptIds: this.form.dataScope !== SystemDataScopeEnum.DEPT_CUSTOM ? [] : this.$refs.dept
							.getCheckedKeys()
					}).then(response => {
						this.$modal.msgSuccess("修改成功");
						this.openDataScope = false;
						this.getList();
					});
				}
			},
			/** 提交按钮（菜单权限） */
			submitMenu: function() {
				if (this.form.id !== undefined) {
					assignRoleMenu({
						roleId: this.form.id,
						menuIds: [...this.$refs.menu.getCheckedKeys(), ...this.$refs.menu.getHalfCheckedKeys()]
					}).then(response => {
						this.$modal.msgSuccess("修改成功");
						this.openMenu = false;
						this.getList();
					});
				}
			},
			/** 删除按钮操作 */
			handleDelete(row) {
				const ids = row.id || this.ids;
				this.$modal.confirm('是否确认删除角色编号为"' + ids + '"的数据项?').then(function() {
					return delRole(ids);
				}).then(() => {
					this.getList();
					this.$modal.msgSuccess("删除成功");
				}).catch(() => {});
			},
			/** 导出按钮操作 */
			handleExport() {
				const queryParams = this.queryParams;
				this.$modal.confirm('是否确认导出所有角色数据项?').then(() => {
					this.exportLoading = true;
					return exportRole(queryParams);
				}).then(response => {
					this.$download.excel(response, '角色数据.xls');
				}).finally(() => {
					this.exportLoading = false;
				});
			}
		}
	};
</script>